$\"\"$

The relation is,

\ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \
\
x
\ \
y
\ \
(x, y)
\
\
15
\ \
7
\ \
(15, 7)
\
\
20
\ \
12
\ \
(20, 12)
\
\
21
\ \
13
\ \
(21, 13)
\
\
30
\ \
22
\ \
(30, 22)
\
\
42
\ \
34
\ \
(42, 34)
\
\

Express the relation as ordered pairs. $\"\"$ $\"\"$

Observe the table and write a rule

$\"\"$

The function is $\"\"$ .

\ x \	\ y \	\ *(x, y)* \
\ 15 \	\ 7 \	\ (15, 7) \
\ 20 \	\ 12 \	\ (20, 12) \
\ 21 \	\ 13 \	\ (21, 13) \
\ 30 \	\ 22 \	\ (30, 22) \
\ 42 \	\ 34 \	\ (42, 34) \